Big Ten Champion is an annual sports series on Kalshi, with markets like “Will Northwestern win the College Football Big Ten Championship?”. The Kalshi Eye archive lists 18 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (10 MB), with every order book change and trade.

Venue: Kalshi, series KXNCAAFB10
Category: Sports, annual
Markets: 18 (0 settled, 18 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 10 MB, 1,056,964 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open Big Ten Champion in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXNCAAFB10 trade on October 24, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-24/series=KXNCAAFB10/trades-KXNCAAFB10-2026-10-24.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

Men's College Basketball Big Ten Regular Season Champion (KXNCAAMBBIGTENREG): 18 markets, 13 days of files
College Football Big Ten Stats Leaders (KXNCAAFBIGTENLEADER): 192 markets, 13 days of files
College Football Big Ten Regular Season Top Finishers (KXNCAAFBIGTENREGTOP): 54 markets, 13 days of files
College Football Big Ten Championship Qualifiers (KXNCAAFB10QUAL): 18 markets, 13 days of files
Big 12 Champion (KXNCAAFB12): 16 markets, 13 days of files
Men's College Basketball Big Ten Regular Season Top Finishers (KXNCAAMBBIGTENREGTOP): 54 markets, 13 days of files

Figures through October 24, 2026. All Kalshi series with pages are listed on Kalshi series.